00419nam a22001457a 4500003000400000008004100004082001600045100001900061245010900080260003200189300000900221502001500230650001700245650001100262OSt260610b |||||||| |||| 00| 0 eng d a631.4bP73E aKumar, Prabhat aAn Economic Appraisal of Amendments in Reclamation of Sodic Calcareous Soil and Its Effect of Rice Yield aPusa, SamastipurbRAUc1998 a71P. bMsc.d1998 aSoil Science aThesis